A person who performs a dance move that involves shaking their booty up and down fast or slow to the rhythm of a club song beat.
A 1993 dance that originates from New Orleans first coined by underground New Orleans bounce rappers/singers and made popular by award winning rap, r&b and even pop artist nationally in the US.

A ratchet person with no shame in their dance-moves that don't need an invite because their always invited to get a party started

In New Orleans the twerk dance was also performed by men but in a different way known as serve, which involves mostly shoulder, arms, legs, waist, and back motions sometimes leading up to dick popping dances which is also another New Orleans club dance move.

The twerkers took the floor and tore it down, she act' a clown with that red g-string on..

Rap artist 2Sweet Lyric:
If you ain't got no twerker's you aint got no party!!